Studies have found that industrial ceramics are non-toxic. According to the evaluation of the World Health Organization, the daily intake of aluminum is specified as 0-0.6mg/kg, where kg refers to the weight of a person, that is, the allowable intake for a 60kg person is 36mg. my country's "Food Additives Use Standard GB2760-2011" stipulates that the residual amount of aluminum should be less than or equal to 100mg/kg. Based on Advanced Ceramic Parts this calculation, if a person weighing 60kg eats no more than 360g of fried dough sticks a day, there is no need to worry.
Ceramics accumulate slowly in the human body, and the toxicity caused by it is slow and difficult to detect. However, once the toxic reaction of metabolic disorders occurs, the consequences are very serious. Therefore, we must pay our attention to prevent the absorption of aluminum and reduce the use of aluminum products in daily life. The harm of aluminum and its compounds to mankind is incomparable with its contribution. As long as people pay attention to it and maximize its strengths and avoid weaknesses, it will play a more important role in human society.
Avoid method:
Avoid using cookware made of aluminum.
Eat less fried dough sticks, aluminum-wrapped candies and other foods, and drink less soft drinks in cans.
Some medicines are made of aluminum-containing substances, so the consumption of aluminum-containing medicines should be reduced, such as: Al(OH)3 that can neutralize gastric acid. Take about 1.0g of this product, accurately weigh it, put it in a 200mL measuring flask, add 10mL of dilute hydrochloric acid to dissolve, add water to dilute to the mark, shake well, accurately measure 20mL, add ammonia to the test solution to neutralize it until precipitation is just precipitated, and then drop Add dilute hydrochloric acid until the Advanced Ceramic Parts precipitate just dissolves, add 20 mL of acetic acid-ammonium acetate buffer (pH 6.0), then precisely add 25 mL of ethylenediamine tetraacetate disodium titrant (0.05 mol/L), boil for 3 to 5 minutes, and put Cool to room temperature, add 1 mL of xylenol orange indicator solution, titrate with zinc titrant (0.05mol/L) until the solution turns from yellow to red, and calibrate the titration result with a blank test.
Note 1: "Precision weighing" means that the weighing should be accurate to one thousandth of the weighed weight, and "precision measuring" means that the accuracy of measuring the volume should meet the requirements of the national standard for the volume of the pipette. Precision requirements.
Note 2: The drying method is used for "moisture determination". Take 2~5g of the test sample and spread it flat in a flat weighing bottle that is dry to constant weight. The thickness should not exceed 5mm. The loose test sample should not exceed 10mm. Weigh accurately. Open the cap and dry it at 100~105℃ for 5 hours, close the cap, transfer to a desiccator, cool for 30 minutes, accurately weigh it, and then dry at the above temperature for 1 hour, cool, and weigh until two consecutive times The difference in weighing does not exceed 5mg. According to the lost weight, calculate the water content (%) in the test product. According to relevant data, under my country's special resource and energy situation, the process of technological innovation has been spawned. After the large-scale application of special-shaped cathode structure electrolyzers, new-type flow guide cells and high-efficiency energy-saving electrolyzers, the magnetic fluid optimization design technology for large-capacity electrolyzers was developed to further optimize the magnetic field balance of the electrolyzers. In the new production capacity in the western region, a large number of enterprises have adopted various new variable cross-section cathode steel bar technologies to better improve the relationship between the aluminum level and the vertical magnetic fluid ratio, reduce Advanced Ceramic Parts the amplitude of the aluminum liquid, and provide space for reducing the pole pitch. At the same time, improved current density, enhanced heat preservation, and energy saving and consumption reduction tests such as trenching and perforating on the anode have achieved good results. Since the reform and opening up, China's aluminum industry has made great progress and has become a major country in the world's aluminum industry, forming a relatively complete industrial system integrating bauxite, alumina, electrolytic aluminum, aluminum processing, and research and development.
In 2006, Aluminum Corporation of China quickly turned from industry-wide losses in 2005 to industry-wide profits of 32.4 billion yuan and profits and taxes of more than 50 billion yuan. The backward self-baking tank production capacity of electrolytic aluminum was eliminated. In 2006, the capacity of 160kA and above accounted for 83% of the 12 million tons of electrolytic aluminum production capacity. The backward self-baking tank production capacity has been eliminated, and the production capacity of some small pre-baked tanks has been transformed. .
Are industrial ceramics toxic?
2021 06/28